Multiple Choice
How does a positive regulator affect transcription by RNA polymerase in prokaryotes?
A) by allowing passage of the polymerase through an operator
B) by interacting with RNA polymerase to increase the frequency of transcription initiation
C) by causing the helix to unwind in the operator allowing easier initiation
D) by making the transcription start site more exposed to the polymerase
Correct Answer:

Verified
Correct Answer:
Verified
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